Fire Smoke Density Tester for Plastics and Building Materials | Compliant with ASTM D2843 DIN4102 GB/T 8627 Standard Product Brief Micro-computer Plastic Burning or Decomposition Smoke Density Test Apparatus is professional fire hazard testing lab equipment. Its core function is measuring smoke-producing characteristics of plastics when burning or decomposing under strictly controlled conditions. It can also carry out smoke density tests for other building materials. The